20788049390

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1\times {\mathrm{27737}}^1$

素因数の和:28396

約数の個数: 32

約数和(自身を含む): 37745870400

約数和(自身を除く): 16957821010

約数列:

[1, 2, 5, 10, 149, 298, 503, 745, 1006, 1490, 2515, 5030, 27737, 55474, 74947, 138685, 149894, 277370, 374735, 749470, 4132813, 8265626, 13951711, 20664065, 27903422, 41328130, 69758555, 139517110, 2078804939, 4157609878, 10394024695, 20788049390]

約数ペア:

[(1, 20788049390), (2, 10394024695), (5, 4157609878), (10, 2078804939), (149, 139517110), (298, 69758555), (503, 41328130), (745, 27903422), (1006, 20664065), (1490, 13951711), (2515, 8265626), (5030, 4132813), (27737, 749470), (55474, 374735), (74947, 277370), (138685, 149894)]